424245243 has 16 divisors (see below), whose sum is σ = 599237120. Its totient is φ = 266232096.

The previous prime is 424245233. The next prime is 424245253. The reversal of 424245243 is 342542424.

It is an interprime number because it is at equal distance from previous prime (424245233) and next prime (424245253).

It is not a de Polignac number, because 424245243 - 2⁹ = 424244731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424245243.

It is not an unprimeable number, because it can be changed into a prime (424245233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14755 + ... + 32652.

It is an arithmetic number, because the mean of its divisors is an integer number (37452320).

Almost surely, 2^424245243 is an apocalyptic number.

424245243 is a deficient number, since it is larger than the sum of its proper divisors (174991877).

424245243 is a wasteful number, since it uses less digits than its factorization.

424245243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47586.

The product of its digits is 30720, while the sum is 30.

The square root of 424245243 is about 20597.2144475898. The cubic root of 424245243 is about 751.4019661328.

Adding to 424245243 its reverse (342542424), we get a palindrome (766787667).

The spelling of 424245243 in words is "four hundred twenty-four million, two hundred forty-five thousand, two hundred forty-three".